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Diffstat (limited to 'deps/gyp/pylib/gyp/easy_xml.py')
| -rw-r--r-- | deps/gyp/pylib/gyp/easy_xml.py | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/deps/gyp/pylib/gyp/easy_xml.py b/deps/gyp/pylib/gyp/easy_xml.py deleted file mode 100644 index bf949b6ac9..0000000000 --- a/deps/gyp/pylib/gyp/easy_xml.py +++ /dev/null @@ -1,157 +0,0 @@ -# Copyright (c) 2011 Google Inc. All rights reserved. -# Use of this source code is governed by a BSD-style license that can be -# found in the LICENSE file. - -import re -import os - - -def XmlToString(content, encoding='utf-8', pretty=False): - """ Writes the XML content to disk, touching the file only if it has changed. - - Visual Studio files have a lot of pre-defined structures. This function makes - it easy to represent these structures as Python data structures, instead of - having to create a lot of function calls. - - Each XML element of the content is represented as a list composed of: - 1. The name of the element, a string, - 2. The attributes of the element, a dictionary (optional), and - 3+. The content of the element, if any. Strings are simple text nodes and - lists are child elements. - - Example 1: - <test/> - becomes - ['test'] - - Example 2: - <myelement a='value1' b='value2'> - <childtype>This is</childtype> - <childtype>it!</childtype> - </myelement> - - becomes - ['myelement', {'a':'value1', 'b':'value2'}, - ['childtype', 'This is'], - ['childtype', 'it!'], - ] - - Args: - content: The structured content to be converted. - encoding: The encoding to report on the first XML line. - pretty: True if we want pretty printing with indents and new lines. - - Returns: - The XML content as a string. - """ - # We create a huge list of all the elements of the file. - xml_parts = ['<?xml version="1.0" encoding="%s"?>' % encoding] - if pretty: - xml_parts.append('\n') - _ConstructContentList(xml_parts, content, pretty) - - # Convert it to a string - return ''.join(xml_parts) - - -def _ConstructContentList(xml_parts, specification, pretty, level=0): - """ Appends the XML parts corresponding to the specification. - - Args: - xml_parts: A list of XML parts to be appended to. - specification: The specification of the element. See EasyXml docs. - pretty: True if we want pretty printing with indents and new lines. - level: Indentation level. - """ - # The first item in a specification is the name of the element. - if pretty: - indentation = ' ' * level - new_line = '\n' - else: - indentation = '' - new_line = '' - name = specification[0] - if not isinstance(name, str): - raise Exception('The first item of an EasyXml specification should be ' - 'a string. Specification was ' + str(specification)) - xml_parts.append(indentation + '<' + name) - - # Optionally in second position is a dictionary of the attributes. - rest = specification[1:] - if rest and isinstance(rest[0], dict): - for at, val in sorted(rest[0].iteritems()): - xml_parts.append(' %s="%s"' % (at, _XmlEscape(val, attr=True))) - rest = rest[1:] - if rest: - xml_parts.append('>') - all_strings = reduce(lambda x, y: x and isinstance(y, str), rest, True) - multi_line = not all_strings - if multi_line and new_line: - xml_parts.append(new_line) - for child_spec in rest: - # If it's a string, append a text node. - # Otherwise recurse over that child definition - if isinstance(child_spec, str): - xml_parts.append(_XmlEscape(child_spec)) - else: - _ConstructContentList(xml_parts, child_spec, pretty, level + 1) - if multi_line and indentation: - xml_parts.append(indentation) - xml_parts.append('</%s>%s' % (name, new_line)) - else: - xml_parts.append('/>%s' % new_line) - - -def WriteXmlIfChanged(content, path, encoding='utf-8', pretty=False, - win32=False): - """ Writes the XML content to disk, touching the file only if it has changed. - - Args: - content: The structured content to be written. - path: Location of the file. - encoding: The encoding to report on the first line of the XML file. - pretty: True if we want pretty printing with indents and new lines. - """ - xml_string = XmlToString(content, encoding, pretty) - if win32 and os.linesep != '\r\n': - xml_string = xml_string.replace('\n', '\r\n') - - # Get the old content - try: - f = open(path, 'r') - existing = f.read() - f.close() - except: - existing = None - - # It has changed, write it - if existing != xml_string: - f = open(path, 'w') - f.write(xml_string) - f.close() - - -_xml_escape_map = { - '"': '"', - "'": ''', - '<': '<', - '>': '>', - '&': '&', - '\n': '
', - '\r': '
', -} - - -_xml_escape_re = re.compile( - "(%s)" % "|".join(map(re.escape, _xml_escape_map.keys()))) - - -def _XmlEscape(value, attr=False): - """ Escape a string for inclusion in XML.""" - def replace(match): - m = match.string[match.start() : match.end()] - # don't replace single quotes in attrs - if attr and m == "'": - return m - return _xml_escape_map[m] - return _xml_escape_re.sub(replace, value) |